如何在Swift中使用QuickBlox上传和下载视频

import Quickblox

QBSettings.applicationID = YOUR_APP_ID
QBSettings.authKey = YOUR_AUTH_KEY
QBSettings.authSecret = YOUR_AUTH_SECRET
QBSettings.accountKey = YOUR_ACCOUNT_KEY

let videoData = NSData(contentsOf: videoURL)
let uploadTask = QBRequest.tUploadFile(videoData!, fileName: "video.mp4", contentType: "video/mp4", isPublic: true)
uploadTask?.successBlock = { (response, uploadedBlob) in
    // 上传成功后的处理逻辑
}
uploadTask?.errorBlock = { (response) in
    // 上传失败后的处理逻辑
}
QBRequest.start(uploadTask)

let downloadTask = QBRequest.tDownloadFile(withUID: fileUID, successBlock: { (response, fileData) in
    // 下载成功后的处理逻辑
}) { (response) in
    // 下载失败后的处理逻辑
}
QBRequest.start(downloadTask)